The number of encumbered properties during the reporting period.

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Number Of Pledged Properties Towards Loans Repaid

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Number of Maturing Mortgage Loans Repaid

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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-Name Accounting Standards Codification
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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Weighted average interest rate of debt outstanding.

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The carrying amount, as of the date of the latest financial statement presented, of real estate owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Borrowing Arrangements - Mortgage Note Payable and 2016 Activity (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) property	Dec. 31, 2016 USD ($) property loan integer	Dec. 31, 2015 USD ($) property
Debt Instrument [Line Items]
Mortgage notes payable \| $	$ 1,971,715	$ 1,891,900
Weighted average interest rate (in percentage)	4.80%
Stated interest rate (in percentage)	4.07%
Proceeds from issuance of secured debt \| $	$ 146,000	$ 88,100
Number of pledged properties	120	126
Pledged assets, not separately reported \| $	$ 2,300,000	$ 2,300,000
Mortgage notes payable financing proceeds \| $	$ 350,369	$ 88,050	$ 395,323
Debt instrument, term (in years)	20 years
Interest rate at period end (in percentage)	5.93%	4.01%
Repayments of debt \| $	$ 230,200
Minimum
Debt Instrument [Line Items]
Stated interest rate (in percentage)	3.10%
Maximum
Debt Instrument [Line Items]
Stated interest rate (in percentage)	8.90%
New Credit Facilities
Debt Instrument [Line Items]
Weighted average interest rate (in percentage)			3.93%
Number of pledged properties \| property			26
Mortgage notes payable financing proceeds \| $			$ 395,300
Debt instrument, term (in years)		23 years	21 years
Old Credit Facilities
Debt Instrument [Line Items]
Weighted average interest rate (in percentage)			5.58%
Number of pledged properties \| property			32
Interest rate at period end (in percentage)		5.85%
Repayments of debt \| $		$ 41,800
Number of Maturing Mortgage Loans Repaid \| loan		5
Manufactured homes
Debt Instrument [Line Items]
Number of pledged properties towards loans repaid \| property		4
Manufactured homes \| Old Credit Facilities
Debt Instrument [Line Items]
Weighted average interest rate (in percentage)			5.73%
Number of pledged properties \| property			1
Number of pledged properties towards loans repaid \| property	13	3
R V Resort
Debt Instrument [Line Items]
Number of pledged properties towards loans repaid \| property		2
R V Resort \| Old Credit Facilities
Debt Instrument [Line Items]
Number of pledged properties \| property			3
Number of pledged properties towards loans repaid \| property	2	2
Zephryhills, Florida \| Forest Lake Estates
Debt Instrument [Line Items]
Stated interest rate (in percentage)		4.51%
Debt assumed for the purchase of property \| $		$ 22,600